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首页> 外文期刊>Journal of structural engineering >New Design Detail to Enhance the Seismic Performance of Ordinary Reinforced Partially Grouted Masonry Structures
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New Design Detail to Enhance the Seismic Performance of Ordinary Reinforced Partially Grouted Masonry Structures

机译：新的设计细节可增强普通钢筋部分灌浆砌体结构的抗震性能

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摘要

Recent studies have shown that in the event of a strong earthquake, partially grouted (PG) masonry walls would most likely not perform according to code expectations. The research reported herein is focused on introducing an economically competitive design detail to enhance the seismic performance and safety index of PG reinforced masonry shear walls. Besides the conventional design details of single grouted vertical cells with single bond beams, two other details called double grouted vertical cells with double bond beams, and double grouted vertical cells with single bond beams plus joint reinforcement, were constructed and tested in this study. Test results demonstrated that the single grouted wall failed in a low ductility shear-dominated mode, while the modified design details resulted in a change to the high ductility shear failure mode. Results of nonlinear static and incremental dynamic analyses showed that using the proposed enhanced detail can significantly improve the seismic performance of ordinary PG masonry compared with the conventional design detail.
机译：最近的研究表明，在发生强烈地震的情况下，部分灌浆（PG）砌体墙很可能无法达到规范的预期。本文报道的研究集中在引入经济上具有竞争力的设计细节上，以提高PG增强砌体剪力墙的抗震性能和安全指数。除了具有单粘结梁的单灌浆竖井的常规设计细节外，还研究了另外两个细节，分别称为具有双粘结梁的双灌浆竖井和具有单粘结梁加节点加固的双灌浆竖井。测试结果表明，单个灌浆墙在低延性剪切主导模式下失效，而修改后的设计细节导致对高延性剪切失效模式的改变。非线性静力和增量动力分析的结果表明，与传统的设计细节相比，使用所提出的增强细节可以显着改善普通PG砌体的抗震性能。

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